<template>
  <div>
    <el-row :gutter="40" class="panel-group">
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-money">
            <svg-icon icon-class="money" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">总销售额</div>
            <count-to
              :start-val="0"
              :end-val="ordertotal"
              :duration="2000"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-shopping">
            <svg-icon icon-class="shopping" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">总订单数</div>
            <count-to
              :start-val="0"
              :end-val="ordercount"
              :duration="2000"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-people">
            <svg-icon icon-class="peoples" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">当前用户数</div>
            <count-to
              :start-val="0"
              :end-val="usercount"
              :duration="2000"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
    </el-row>
    <div class="filter-container">
      <el-date-picker
        ref="picker"
        v-model="date"
        type="daterange"
        range-separator="至"
        start-placeholder="开始日期"
        end-placeholder="结束日期"
        class="filter-item"
        :picker-options="pickerOptions"
      />
    </div>
    <el-row :gutter="40" class="panel-group">
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-money">
            <svg-icon icon-class="money" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">销售额</div>
            <count-to
              :start-val="0"
              :end-val="todayordertotal"
              :duration="2000"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-shopping">
            <svg-icon icon-class="shopping" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">订单数</div>
            <count-to
              :start-val="0"
              :end-val="todayordercount"
              :duration="2000"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import CountTo from "vue-count-to";
import { getReport, getTimeSpan } from "@/api/home";
import { renderTime } from "@/utils/util";
export default {
  components: {
    CountTo,
  },
  data() {
    return {
      usercount: 0,
      ordercount: 0,
      ordertotal: 0,
      date: [new Date(), new Date()],
      listQuery: {
        startdate: "",
        enddate: "",
      },
      pickerOptions: {
        shortcuts: [
          {
            text: "今天",
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 0);
              picker.$emit("pick", [start, end]);
            },
          },
          {
            text: "最近一周",
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 6);
              picker.$emit("pick", [start, end]);
            },
          },
          {
            text: "最近一个月",
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 29);
              picker.$emit("pick", [start, end]);
            },
          },
          {
            text: "最近三个月",
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 89);
              picker.$emit("pick", [start, end]);
            },
          },
        ],
      },
      todayordercount: 0,
      todayordertotal: 0,
    };
  },
  watch: {
    date: {
      handler: function (newV) {
        if (newV && newV.length === 2) {
          this.listQuery.startdate = renderTime(newV[0], "{y}-{m}-{d}");
          this.listQuery.enddate = renderTime(
            newV[1] + 86400000,
            "{y}-{m}-{d}"
          );
          this.getTimeSpan();
        }
      },
    },
  },
  created() {
    getReport().then((res) => {
      this.usercount = res.result.usercount;
      this.todayordercount = res.result.todayordercount;
      this.todayordertotal = parseFloat(res.result.todayordertotal);
      this.ordercount = res.result.ordercount;
      this.ordertotal = parseFloat(res.result.ordertotal);
    });
  },
  methods: {
    getTimeSpan() {
      getTimeSpan(this.listQuery).then((res) => {
        this.todayordercount = res.result.ordercount;
        this.todayordertotal = parseFloat(res.result.ordertotal);
      });
    },
  },
}
</script>

<style lang="scss" scoped>
.panel-group {
  margin-top: 18px;

  .card-panel-col {
    margin-bottom: 32px;
  }

  .card-panel {
    height: 108px;
    cursor: pointer;
    font-size: 12px;
    position: relative;
    overflow: hidden;
    color: #666;
    background: #fff;
    box-shadow: 4px 4px 40px rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.05);

    &:hover {
      .card-panel-icon-wrapper {
        color: #fff;
      }

      .icon-people {
        background: #40c9c6;
      }

      .icon-message {
        background: #36a3f7;
      }

      .icon-money {
        background: #f4516c;
      }

      .icon-shopping {
        background: #34bfa3;
      }
    }

    .icon-people {
      color: #40c9c6;
    }

    .icon-message {
      color: #36a3f7;
    }

    .icon-money {
      color: #f4516c;
    }

    .icon-shopping {
      color: #34bfa3;
    }

    .card-panel-icon-wrapper {
      float: left;
      margin: 14px 0 0 14px;
      padding: 16px;
      transition: all 0.38s ease-out;
      border-radius: 6px;
    }

    .card-panel-icon {
      float: left;
      font-size: 48px;
    }

    .card-panel-description {
      float: right;
      font-weight: bold;
      margin: 26px;
      margin-left: 0px;

      .card-panel-text {
        line-height: 18px;
        color: rgba(0, 0, 0, 0.45);
        font-size: 16px;
        margin-bottom: 12px;
      }

      .card-panel-num {
        font-size: 20px;
      }
    }
  }
}

@media (max-width: 550px) {
  .card-panel-description {
    display: none;
  }

  .card-panel-icon-wrapper {
    float: none !important;
    width: 100%;
    height: 100%;
    margin: 0 !important;

    .svg-icon {
      display: block;
      margin: 14px auto !important;
      float: none !important;
    }
  }
}
</style>
